Spinach and kale are both nutritious leafy greens and popular superfood bases for salads. Leafy greens are packed with vitamins, minerals and antioxidants. Plus, they're versatile and delicious both ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Leafy greens have been well established as some of the healthiest foods you can eat. Whether you’re ...

Scientists found that kale’s prized nutrients are hard for the body to absorb unless they’re eaten with oil. Cooking doesn’t improve absorption, but adding oil-based dressings—or even more advanced ...

Think that kale salad you’re eating is a superfood? Without the right ingredient it might not be living up to its hype. But don’t worry. Researchers at the University of Missouri have discovered a ...